[G.R.]

-4 AN is aprox. 1/4"
-6 AN is aprox. 3/8"
-8 AN is aprox. 1/2"

It goes on up from there, the sizes are roughly equivalent to 1/16" increments ie: -6AN = 6/16ths=3/8... though just slightly smaller. Hope this helps.

So how is Greeality today... I grew up there, graduated from Central, and still have family living there. I get back there every year. I've only seen one Cobra there in the last 3 years and that was last May a blue/white SPF w/ roundelles. Saw it twice, the first time at Applebee's on W 10th parked in the lot and then on 35th ave a couple of days later heading south as I was going north.